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Other aircraft modifications

STC ST00167DE-D

FAA DRS lists ST00167DE-D as Current · Reissued, held by Learjet Inc., for Learjet Learjet 55. Recorded change: Installation of AlliedSignal CAS-67A TCAS II System, Dual MST-67A Mode S Transponders, Dual ANT-67A antennas, and Dual IVA-81A TA/VSI indicators. Snapshot dated June 30, 2026.

FAA-listed holder
Learjet Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of AlliedSignal CAS-67A TCAS II System, Dual MST-67A Mode S Transponders, Dual ANT-67A antennas, and Dual IVA-81A TA/VSI indicators.

ST00167DE-D identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Learjet Learjet 55. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet Learjet 55A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 55 model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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